22395944 has 8 divisors (see below), whose sum is σ = 41992410. Its totient is φ = 11197968.

The previous prime is 22395931. The next prime is 22395979. The reversal of 22395944 is 44959322.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13764100 + 8631844 = 3710^2 + 2938^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×22395944² = 1003156615302272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22395898 and 22395907.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1399739 + ... + 1399754.

Almost surely, 2^22395944 is an apocalyptic number.

It is an amenable number.

22395944 is a deficient number, since it is larger than the sum of its proper divisors (19596466).

22395944 is a wasteful number, since it uses less digits than its factorization.

22395944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2799499 (or 2799495 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 22395944 is about 4732.4353138738. The cubic root of 22395944 is about 281.8749340629.

The spelling of 22395944 in words is "twenty-two million, three hundred ninety-five thousand, nine hundred forty-four".